3818229173 has 12 divisors (see below), whose sum is σ = 4332284544. Its totient is φ = 3359142600.

The previous prime is 3818229169. The next prime is 3818229199. The reversal of 3818229173 is 3719228183.

It is not a de Polignac number, because 3818229173 - 2² = 3818229169 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3818229773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 505211 + ... + 512712.

It is an arithmetic number, because the mean of its divisors is an integer number (361023712).

Almost surely, 2^3818229173 is an apocalyptic number.

It is an amenable number.

3818229173 is a deficient number, since it is larger than the sum of its proper divisors (514055371).

3818229173 is a wasteful number, since it uses less digits than its factorization.

3818229173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017976 (or 1017965 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 3818229173 is about 61791.8212468285. The cubic root of 3818229173 is about 1562.9820743384.

The spelling of 3818229173 in words is "three billion, eight hundred eighteen million, two hundred twenty-nine thousand, one hundred seventy-three".